coolant temperature BMW 128I CONVERTIBLE 2008 E88 Owner's Manual

Everything under control
68
Coolant temperature
A warning lamp will come on if the coolant, and
therefore the engine, becomes too hot.
In addition, a message will appear on the Con-
trol Display.
Check coolant level, refer to page216.
Engine oil temperature*
When the engine is at normal operating temper-
ature, the engine oil temperature is between
approx. 2107/1006 and approx. 3007/
1506.
If the engine oil temperature is too high, a mes-
sage appears on the Control Display.
Fuel gauge
Fuel tank capacity: approx. 14 US gallons/
53 liters.
You can find information on refueling on
page202.
If the tilt of the vehicle varies for a longer period,
when you are driving in mountainous areas, for
example, the indicator may fluctuate slightly.
Fuel display 135i: in speedometer.
Reserve
Once the fuel level has fallen to the reserve
zone, a message briefly appears on the Control
Display and the cruising range for the remaining
amount of fuel is displayed on the computer.
Under a cruising range of approx. 30 miles/
50 km, the message remains in the Control Dis-
play.
Refuel as soon as possible once your
cruising range falls below 30 miles/
50 km, otherwise engine functions are not
ensured and damage can occur.<
Computer
Displays in the instrument cluster
Calling up information
Press the button in the turn indicator lever.
The following items of information are dis-
played in the order listed:
>Cruising range
>Average speed
>Average fuel consumption
>Current fuel consumption
>No information

Mobility
213Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Important parts of the engine compartment
1Expansion tank for coolant, refer to
page216
2Washer fluid filler neck for headlamp clean-
ing system and window washer system,
refer to page643Jump-starting connection, refer to
page230
4Fluid filler neck for engine oil, refer to Add-
ing engine oil, page215
Engine oil
The engine oil consumption is dependent on
driving style and driving conditions.
Checking oil level
Your car is equipped with an electronic oil-level
monitor.
For a precise measurement and display of the
oil level, it is necessary that the engine be at
operating temperature, i.e. after uninterrupted
driving for at least approx. 6.5 miles/10 km. You
can have the oil level displayed while you are
driving, or while the vehicle is at a standstill on a
level surface and the engine is running.
Display in the instrument cluster
1.Push button 1 in the turn indicator lever up
or down repeatedly until the appropriate
symbol is shown in the display, accompa-
nied by the word "OIL".
2.Press button 2.
The oil level is checked and the reading dis-
played.

Reference 247
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
Clock67
– 12h/24h format76
– setting time75
Closing
– from inside32
– from outside29
Clothes hooks107
Cold start, refer to Starting the
engine59
Combination instrument, refer
to Instrument cluster12
Comfort access, refer to
Convenient access36
Comfort area, refer to Around
the center console14
"Communication"182,192,1
93,194,195
Compact disc, refer to
– CD changer163
– CD player163
Compartment for remote
control, refer to Ignition
lock58
Compass105
Computer68
– displays on Control
Display69
– hour signal76
Computer, refer to iDrive16
"Concert hall" for Tone
control152
"Concierge"195
Concierge service195
Condensation, refer to When
the vehicle is parked116
Condition Based Service
CBS217
Configuring settings, refer to
Personal Profile28
Confirmation signals for
locking/unlocking the
vehicle31
Connecting vacuum cleaner,
refer to Connecting
electrical appliances108
Consumption, refer to
Average fuel
consumption69"Continue guidance to
destination?"137
Control Center, refer to
iDrive16
Control Display16
Controller, refer to iDrive16
Controls and displays10
Convenient access36
– replacing the battery37
Convenient operation
– windows30
– windows with convenient
access36
– with convenient access36
Convenient starting, refer to
Starting the engine59
Convertible
– rollover protection
system90
– top40
– wind deflector44
Convertible top
– convenient opening30
Convertible top care220
Coolant216
– checking level216
– filling216
Coolant temperature68
Cooling, maximum98
Cooling fluid, refer to
Coolant216
Copyright2
Corner-illuminating lamps94
Corner-illuminating lamps,
refer to Adaptive Head
Light94
Cornering lamps, refer to
Adaptive Head Light94
Courtesy lamps95
Cross-hairs in navigation128
Cruise control65
Cruising range69
Cup holders107
Curb weight, refer to
Weights239
Current fuel consumption69
"Current position"144Current position
– displaying144
– entering132
– storing132
"Customer
Relations"186,194
D
Dashboard, refer to
Cockpit10
Dashboard lighting, refer to
Instrument lighting95
Data
– dimensions237
– sizes237
Data, technical236
– capacities239
– engine236
– weights239
"Date"76
Date
– setting76
– setting format77
"Date format"77
"Daytime running lamps"94
Daytime running lamps,
switch positions93
DBC Dynamic Brake
Control82
"Deactivated"51
Deactivating front passenger
airbags89
Deadlocking, refer to
Locking30
Decommissioning the vehicle,
refer to Caring for your
vehicle
Defect
– door lock32
– fuel filler door202
– glass roof40
– luggage compartment lid33
Defogging windows100
Defrosting the windows100
Defrosting windshield, refer to
Defrosting windows100
Defrost position, refer to
Defrosting windows100